IB Chemistry Sub-topic S1.3 Definitions
This page contains our IB Chemistry definitions for sub-topic S1.3. By learning each one of these definitions, you will fully cover the content for IB Chemistry 'Further electron configurations'.
HL
electrostatic attraction
The attraction of opposite charges between the positive nucleus and negative electrons
HL
first ionization energy
The energy required to remove one electron from amole of atoms in a gaseous atoms, expressed in kJ/mol
HL
nuclear charge
The amount of positive charage in the nucleus, proportional to the number of protons
HL
shielding effect
The effect of inner electrons taking nuclear charge away from the valence electrons
HL
successive ionization energies
The energy required to remove consecutive electrons from a mole of atoms in a gaseous state, expressed in kJ/mol
HL
valence electrons
Outermost electrons of an atom
Great Work!
You have now covered all of our topic 1 definitions for IB chemistry.
Now that you have completed these IB chemistry topic 1 definitions, dive into our topic 1 videos for the IB chemistry course.
IB chemistry topic 1 videos
Explored IB Chemistry?
Get stuck into one of our other subjects!
Join 85,000 students, across 130+ countries, in 500+ IB schools. That's half of the IB science graduates worldwide.
Start a 7d free trial